Christian WELLEKENS
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Christian WELLEKENS
Professeur Emérite
+32 472 46 91 77
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Mes publications EURECOM
Journal
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Octobre 2007
Journal
Automatic speech recognition and speech variability: A review
Speech Communication, Volume 49, Issues 10-11, October-November 2007
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Octobre 2007
Journal
Introduction to the special issue on intrinsic speech variations
Speech Communication, Volume 49, Issues 10-11, October-November 2007
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Novembre 2006
Journal
Least squares filtering of speech signals for robust ASR
Speech Communication, Volume 48, Issue 11, November 2006
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Septembre 2006
Journal
On variable-scale piecewise stationary spectral analysis of speech signals for ASR
Speech Communication, Volume 48, Issue 9, September 2006
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Octobre 2005
Journal
Regroupement de modèles de locuteurs par méthode Bayesienne variationnelle: applications à la sélection de modèles par méthode variationnelle pour l’indexation audio
t.a.l.,traitement automatique des langues, Volume 45 N° 3, octobre 2005. Numero spécial des meilleurs articles JEP-TALN 2004
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Janvier 2004
Journal
Editorial of Special issue on adaptation methods for speech recognition
Speech Communication Volume 42, Issue 1, January 2004
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Juillet 2001
Journal
The ISCA technical and research workshop : adaptation methods in automatic speech recognition, Sophia-Antipolis, France
The Phonetician, Number 84, 2001-II, International Society of Phonetic Sciences
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Septembre 2000
Journal
DISTBIC : A speaker-based segmentation for audio data indexing
Speech Communication, Volume 32, N°1-2, 2000
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Mars 2000
Journal
Eigenvoices : a compact representation of speakers in a model space
Annales des télécommunications, Volume 55, N°3-4, Mars-avril 2000
Conférence
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Avril 2007
Conférence
Variational Bayesian learning of speech GMMS for feature enhancement based on Algonquin
ICASSP 2007, 32nd IEEE International Conference on Acoustics, Speech, and Signal Processing, April 15 - 20, 2007, Honolulu, USA
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Décembre 2006
Conférence
Speech recognition in reverberant environments using remote microphones
ISM 2006, 8th IEEE International Symposium on Multimedia, December 11-13, 2006, San Diego, USA
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Novembre 2006
Conférence
Diagnostics of speech recognition using classification phoneme diagnostic trees
CI 2006, 2nd IASTED International Conference on computational intelligence, Special Session on NLP, November 20-22, 2006 San Francisco, USA
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Septembre 2006
Conférence
N-Best parallel maximum likelihood beamformers for robust speech recognition
EUSIPCO 2006, European Signal Processing Conference, September 4-8, 2006, Firenze, Italy
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Juin 2006
Conférence
Improving robustness of a likelihood-based beamformer in a real environment for automatic speech recognition
SPECOM 2006, 11th International Conference Speech and Computer, June 25-29, 2006, Saint-Petersburg, Russia
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Juin 2006
Conférence
Impact of variabilities on speech recognition
SPECOM 2006, 11th International Conference Speech and Computer, June 25-29, 2006, Saint-Petersburg, Russia
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Juin 2006
Conférence
Emotional aspects of intrinsic speech variabilities in automatic speech recognition
SPECOM 2006, 11th International Conference Speech and Computer , June 25-29, 2006, Saint-Petersburg, Russia
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Juin 2006
Conférence
Reconnaissance robuste de parole en environnement reél à l'aide d'un réseau de microphones à formation de voie adaptative basée sur un critère des N-best vraisemblance maximale
JEP 2006, Journées d'Etudes sur la Parole, 12-16 juin 2006, Dinard, France
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Mai 2006
Conférence
Comparative study of different features on OLLO logatome recognition task
SRIV 2006, ITRW on Speech Recognition and Intrinsic Variation, May 20, 2006, Toulouse, France
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Mai 2006
Conférence
Fepstrum and carrier signal decomposition of speech signals through homomorphic filtering
ICASSP 2006, 31st International Conference on Acoustics, Speech, and Signal Processing, Special session, Dealing with intrinsic speech variabilities in ASR, Volume 5, May 14-19, 2006, Toulouse, France
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Mai 2006
Conférence
Automatic speech recognition and intrinsic speech variation
ICASSP 2006, 31st International Conference on Acoustics, Speech, and Signal Processing, May 14-19, 2006, Toulouse, France
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Novembre 2005
Conférence
Fepstrum representation of speech signal
ASRU 2005, IEEE Automatic Speech Recognition and Understanding Workshop, November 27-December 1, 2005, Cancun, Mexico
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Novembre 2005
Conférence
Adaptive enhancement of speech signals for robust ASR
ASIDE 2005, COST 278 Final Workshop and ISCA Tutorial and Research Workshop, 10-11 November 2005, Aalborg, Denmark
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Septembre 2005
Conférence
Variational Bayesian speaker change detection
Interspeech 2005, 9th European Conference on Speech Communication and Technology, September 4-8, 2005, Lisbon, Portugal
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Septembre 2005
Conférence
On variable-scale piecewise stationary spectral analysis of speech signals for ASR
Interspeech 2005, 9th European Conference on Speech Communication and Technology, September 4-8, 2005, Lisbon, Portugal
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Juillet 2005
Conférence
Variational Bayesian methods for audio indexing
MLMI 2005, 2nd Joint Workshop on Multimodal Interaction and Related Machine Learning Algorithms, July 11-13, 2005, Edinburgh, UK / Also published in LNCS Volume 3869/2006
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Juillet 2005
Conférence
A variable-scale piecewise stationary spectral analysis technique applied to the ASR
MLMI 2005, 2nd Joint Workshop on Multimodal Interaction and Related Machine Learning Algorithms, July 11-13, 2005, Edinburgh, UK / Also published in LNCS, Volume 3869/2006, 978-3-540-32549-9
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Juillet 2005
Conférence
Least squares filtering of speech signals for robust ASR
MLMI 2005, 2nd Joint Workshop on Multimodal Interaction and Related Machine Learning Algorithms, 11-13 July 2005, Edinburgh, UK - Also published as LNCS 3869
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Mars 2005
Conférence
On desensitizing the Mel-cepstrum to spurious spectral components for robust speech recognition
ICASSP 2005, 30th IEEE International Conference on Acoustics, Speech, and Signal Processing, March 18-23, 2005- Philadelphia, USA
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Mars 2005
Conférence
Variational bayesian adaptation for speaker clustering
ICASSP 2005, 30th IEEE International Conference on Acoustics, Speech, and Signal Processing, March 18-23, 2005- Philadelphia, USA
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Mars 2005
Conférence
Variational bayesian feature saliency for audio type classification
ICASSP 2005, 30th IEEE International Conference on Acoustics, Speech, and Signal Processing, March 18-23, 2005- Philadelphia, USA
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Octobre 2004
Conférence
Scoring unknown speaker clustering : VB vs. BIC
ICSLP 2004, 8th International Symposium on Chinese Spoken Language Processing, October 4-8, 2004, Jeju Island, Korea
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Août 2004
Conférence
On de-emphasizing the spurious components in the spectral modulation for robust speech recognition
Robust 2004, COST 278 and ISCA Tutorial and Research Workshop Robustness Issues in Conversational Interaction August, 30-31, 2004, Norwich, UK
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Mai 2004
Conférence
Variational Bayesian speaker clustering
Odyssey'2004, The speaker and language recognition workshop, May 31- June 3, 2004, Toledo, Spain
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Mai 2004
Conférence
Variational Bayesian feature selection for gaussian mixture models
ICASSP 2004, 29th IEEE International Conference on Acoustics, Speech, and Signal Processing, May 17-21, 2004, Montreal, Canada
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Avril 2004
Conférence
Regroupement bayesien variationnel des locuteurs
JEP 2004, 25èmes Journées d'Etude sur la Parole, 19-22 avril 2004, Fès, Maroc
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Novembre 2003
Conférence
Maximum entropy discrimination (MED) feature subset selection for speech recognition
ASRU 2003, IEEE Automatic Speech Recognition and Understanding Workshop, November 30-December 4, 2003, St Thomas, Virgin Islands, USA
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Septembre 2003
Conférence
Variational bayesian GMM for speech recognition
EUROSPEECH 2003, 8th european conference on speech communication and technology, September 1-4, 2003, Geneva, Switzerland
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Avril 2003
Conférence
Symbolic speaker adaptation with phone inventory expansion
ICASSP 2003, 28th IEEE International Conference on Acoustics, Speech, and Signal Processing, April 6-10, 2003 - Hong Kong
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Avril 2003
Conférence
Minimum classification error /eigenvoices training for speaker identification
ICASSP 2003, 28th IEEE International Conference on Acoustics, Speech, and Signal Processing, April 6-10, 2003 - Hong Kong
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Septembre 2002
Conférence
Lu factorization for feature transformation
ICSLP 2002, 7th International Conference on Spoken Language Processing, 16- 20 September 2002, Denver, USA
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Mai 2002
Conférence
Piecewise linear constraints for model space adaptation
ICASSP 2002 , 27th IEEE International Conference on Acoustics, Speech and Audio Processing - May 13-17, 2002, Orlando, USA
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Décembre 2001
Conférence
Dynamic sharings of gaussian densities using phonetic features
ASRU 2001, IEEE Workshop on Automatic Speech Recognition and Understanding, December 9-13, 2001, Madonna di Campiglio, Trento, Italy
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Décembre 2001
Conférence
Construction of model-space constraints
ASRU 2001, IEEE Workshop on Automatic Speech Recognition and Understanding, December 9-13 2001, Madonna di Campiglio, Trento, Italy
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Septembre 2001
Conférence
Dynamic lexicon using phonetic features
EUROSPEECH 2001, 7th European Conference on Speech Communication and Technology, September 3-7, 2001, Aalborg, Denmark
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Septembre 2001
Conférence
Outils de navigation dans les fichiers audio
RJC'2001, Rencontres des Jeunes Chercheurs, Septembre 2001, Mons, Belgique
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Août 2001
Conférence
Self-adaptation using eigenvoices for large-vocabulary continuous speech recognition
ITRW 2001, Adaptation Methods for Automatic Speech Recognition, August 2001, Sophia-Antipolis, France
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Juin 2001
Conférence
Seamless navigation in audio files
Odyssey'2001: a speaker odyssey, June 18-22, 2001, Crete, Greece
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Octobre 2000
Conférence
Regroupement par locuteur de messages vocaux
CORESA 2000, COmpression et REpresentation des Signaux Audiovisuels, 19-20 Octobre 2000, Poitiers, France
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Juin 2000
Conférence
A speaker tracking system based on speaker turn detection for NIST evaluation
ICASSP 2000, 25th IEEE International conference on acoustic, speech and signal, June 5-9, 2000 - Istanbul, Turkey
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Février 2000
Conférence
Différentes stratégies pour le suivi de locuteur
RFIA'2000, Reconnaissance des Formes et Intelligence Artificelle, February 1-3, 2000, Paris, France
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Novembre 1999
Conférence
L'internationalisation par les télécommunications et pour les télécommunications
Journées des Techniques de l?Information et de la Communication, November 1999, Nice, France
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Octobre 1999
Conférence
A first step into speaker-based indexing
CBMI’99, 1st European Workshop on Content-Based Multimedia Indexing, October 25-27 1999, Toulouse, France
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Septembre 1999
Conférence
Maximum likelihood eigenspace and MLLR for speech recognition in noisy environments
EUROSPEECH 1999, ISCA Conference on Speech Communication and Technology, 4-10 September 1999, Budapest, Hungary
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Septembre 1999
Conférence
Detection of speaker changes in an audio document
EUROSPEECH 1999, ISCA Conference on Speech Communication and Technology, 4-10 September 1999, Budapest, Hungary
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Juin 1999
Conférence
Amélioration des taux de reconnaissance par filtrage de données
CORESA 1999, 5èmes journées d'téudes et d'échanges COmpression et REprésentation des Signaux Audiovisuels, June 14-15, 1999, Sophia-Antipolis, France
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Juin 1999
Conférence
Voix propres: Une représentation compacte de locuteurs dans l'espace des modèles
CORESA 1999, 5èmes journées d'téudes et d'échanges COmpression et REprésentation des Signaux Audiovisuels, June 14-15, 1999, Sophia-Antipolis, France
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Juin 1999
Conférence
Audio data indexing : use of second order statistics for speaker-based segmentation
ICMCS 1999, IEEE International Conference on Multimedia Computing and Systems, June 7-11, 1999, Florence, Italy
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Juin 1999
Conférence
Segmentation en locuteurs d'un document audio
CORESA 1999, 5èmes journées d'études et d'échanges COmpression et REprésentation des Signaux Audiovisuels, June 14-15, 1999, Sophia-Antipolis, France
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Avril 1999
Conférence
Speaker-based segmentation for audio data indexing
ISCA Workshop on accessing information in audio data, April 19-20, 1999, Cambridge, UK
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Novembre 1998
Conférence
Enhanced ASR by acoustic feature filtering
ICSLP 1998, 5th International Conference on Spoken Language Processing, 30 November-4 December 1998, Sydney, Australia
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Novembre 1998
Conférence
The use of Meta-HMM in multistream HMM training for automatic speech recognition
ICSLP 1998, 5th International Conference on Spoken Language Processing, 30 November-4 December 1998, Sydney, Australia
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Janvier 1998
Conférence
Introduction to speech recognition using neural networks
ESANN 1998, 6th European Symposium on Artificial Neural Networks, April 22-24, 1998, Brussels, Belgium
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Novembre 1997
Conférence
Keyword spotting for multimedia document indexing
SPIE 1997, SPIE's International Symposium and Education Program on Voice, Video, and Data Communications, Volume 3229, November 1997, Dallas, USA
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Avril 1997
Conférence
REMAP for video soundtrack indexing
ICASSP'97, 22nd IEEE International conference on acoustics, speech, and signal processing, April 21-24 1997, Munich, Germany
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Octobre 1996
Conférence
Keyword spotting enhancement for video soundtrack indexing
ICSLP 1996, IEEE 4th International Symposium on Chinese Spoken Language Processing, October 3-6, 1996, Philadelphia, USA
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Mai 1996
Conférence
Keyword spotting for video soundtrack indexing
ICASSP 1996, 21st IEEE international conference on acoustics, speech, and signal proceedings, May 7-10, 1996, Atlanta, USA
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Juin 1993
Conférence
Improved hidden Markov models for speech recognition through neural network learning
From statistics to neural networks : theory and pattern recognition applications, June 21-July 2, 1993, Les Arcs, France
Rapport
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Février 2007
Rapport
Diagnostics of speech recognition : on evaluating feature set performance
Research report RR-07-190
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Décembre 2006
Rapport
Investigations into tandem features
Research report RR-06-185
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Juin 2006
Rapport
Confidence measures for tandem connectionist feature extraction
Research report RR-06-166
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Septembre 2004
Rapport
On desensitizing the Mel-cepstrum to spurious spectral components for robust speech recognition
Research report RR-04-119
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Septembre 2004
Rapport
On multi-scale piecewise stationary spectral analysis of speech signals for robust ASR
Research report RR-04-118
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Octobre 2003
Rapport
Maximum entropy discrimination (MED) feature subset selection for speech recognition
Research report RR-03-086
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Octobre 2003
Rapport
Variational Bayesian features selection
Research report RR-03-087
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Juillet 2003
Rapport
Variational bayesian learning for gaussian mixture models and hidden markov models
Research report RR-03-079
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Septembre 1993
Rapport
Improved hidden Markov models for speech recognition through neural network learning
Research report RR-94-016
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En savoir plus
Informations additionnelles
Profils
Distinctions
- Il est co-auteur de l'article qui a gagné le prix du meilleur papier à l'ISCA 2009, conférence Interspeech à Brighton, « La reconnaissance automatique de la parole et la variabilité de la parole : un avis » publié dans le "Speech communication journal", 10 septembre 2009.
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En 2005, il a reçu le Prix Christoffel Plantin (Belgique) récompensant une des personnalités belges exceptionnelles travaillant à l'étranger.
